Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5493300 | Circuit configuration for a D/A and A/D converter | Ruediger Gertner | 1996-02-20 |
| 5449238 | Method for operating a recording device powered by at least one rechargeable accumulator | Ngoc Quyen Pham, Friedrich-Wilhelm Drees, Mohamed Al-Khatib, Wolfgang Pekruhn | 1995-09-12 |